APA (7th ed.) Citation

Helder, C. (2014). The Ultimate book of Influence. Wiley India.

Chicago Style (17th ed.) Citation

Helder, Chris. The Ultimate Book of Influence. New Delhi: Wiley India, 2014.

MLA (9th ed.) Citation

Helder, Chris. The Ultimate Book of Influence. Wiley India, 2014.

Warning: These citations may not always be 100% accurate.